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<head><meta charset="utf-8"><title>P-critical #74933 Lifetime error when indexing with borrowe… · t-compiler/wg-prioritization/alerts · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/index.html">t-compiler/wg-prioritization/alerts</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html">P-critical #74933 Lifetime error when indexing with borrowe…</a></h3>

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<a name="205477610"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205477610" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205477610">(Jul 30 2020 at 13:23)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="3111">@WG-prioritization/alerts</span> issue <a href="https://github.com/rust-lang/rust/issues/74933">#74933</a> has been assigned <code>P-critical</code>.</p>
<h1><a href="https://forge.rust-lang.org/compiler/prioritization/procedure.html#summarize-p-critical-and-unassigned-p-high-regressions">Procedure</a></h1>
<ul>
<li>Notify people/groups?</li>
<li>Assign if possible?</li>
<li>Add to agenda:<ul>
<li>Assignee?</li>
<li>Summary and important details?</li>
</ul>
</li>
<li>Other actions to move forward?</li>
</ul>



<a name="205477968"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205477968" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Wesley Wiser <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205477968">(Jul 30 2020 at 13:26)</a>:</h4>
<p>Adding this to the agenda...</p>



<a name="205478127"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478127" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478127">(Jul 30 2020 at 13:28)</a>:</h4>
<p><span class="user-mention" data-user-id="125250">@Wesley Wiser</span> go ahead :)</p>



<a name="205478144"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478144" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478144">(Jul 30 2020 at 13:28)</a>:</h4>
<p>sorry I didn't see you and added the thing but feel free to add comments to it</p>



<a name="205478160"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478160" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478160">(Jul 30 2020 at 13:28)</a>:</h4>
<p>I'm currently running cargo bisect rustc</p>



<a name="205478636"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478636" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478636">(Jul 30 2020 at 13:33)</a>:</h4>
<p>regressed here <a href="https://github.com/rust-lang/rust/pull/73504">https://github.com/rust-lang/rust/pull/73504</a></p>



<a name="205478644"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478644" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478644">(Jul 30 2020 at 13:33)</a>:</h4>
<p>a rollup</p>



<a name="205478659"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478659" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478659">(Jul 30 2020 at 13:33)</a>:</h4>
<p>looking which ones could be ...</p>



<a name="205478665"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478665" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478665">(Jul 30 2020 at 13:33)</a>:</h4>
<p>I guess <a href="https://github.com/rust-lang/rust/pull/72280">https://github.com/rust-lang/rust/pull/72280</a> possibly</p>



<a name="205478916"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205478916" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205478916">(Jul 30 2020 at 13:35)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> thoughts?</p>



<a name="205479037"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205479037" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Wesley Wiser <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205479037">(Jul 30 2020 at 13:36)</a>:</h4>
<p>Yeah 72280 seems most likely to me</p>



<a name="205479147"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205479147" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205479147">(Jul 30 2020 at 13:37)</a>:</h4>
<p>yeah</p>



<a name="205479225"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical%20%2374933%20Lifetime%20error%20when%20indexing%20with%20borrowe%E2%80%A6/near/205479225" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/245100-t-compiler/wg-prioritization/alerts/topic/P-critical.20.2374933.20Lifetime.20error.20when.20indexing.20with.20borrowe.E2.80.A6.html#205479225">(Jul 30 2020 at 13:38)</a>:</h4>
<p>commented on github and adding this to the agenda</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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